Targeting
Yes, 100 cookies or more. For more information, see: Fix issues with remarketing lists, tags, and ads.
You can target users by location, language, and device. For more sophisticated targeting, use either your own cookies or cookies from a third party. For more information, see: How remarketing works.
Reach is global. But you can target specific regions if you prefer. For more information, see: Geographic targeting.
We analyze the page before serving the ad to determine whether it will serve above or below the fold. For more information, see: Above-the-fold targeting.
Bidding
Authorized Buyers uses CPM to determine the winning bidder.
When running the auction, Authorized Buyers takes several metrics into account (CPC, CTR, impressions, and so forth) to convert your Google Ads CPC bid into a CPM bid.
No, you can only send one bid response per bid request for an account.
Video
The video creative may be missing a required asset and is being filtered out, but is not disapproved. Please make sure to include all assets required for the video ad (for example, WebM, Mp4, FLV, HTML5).
Mobile
Authorized Buyers provides access to Blackberry, webOS, iOS, and Android devices. For more information, see: Mobile inventory and options.
Destination URLs
Yes, we validate the URL and check for malware on the page. For more information, see: Declare click-through URLs in ads.